Direct Answer
A VIX futures curve in which the nearer contract is priced above the next one, so the curve slopes downward with maturity. It means traders expect volatility to fall from current elevated levels and is the opposite of contango. Backwardation commonly appears when markets are stressed and near-term volatility is high.
VIX Futures Backwardation: Formula, Meaning, Signals, Examples and How to Use It
How Is VIX Futures Backwardation Calculated?
A VIX futures curve in which the nearer contract is priced above the next one, so the curve slopes downward with maturity. It means traders expect volatility to fall from current elevated levels and is the opposite of contango.
Formula: Backwardation = front-month VIX future - second-month VIX future (positive when in backwardation)
Inputs:
- Front-month VIX futures price
- Second-month VIX futures price
Worked example. If the front-month VIX future is 22.4 and the second month is 21.1, the curve is backwardated by 1.3 points. The inputs are illustrative numbers, not market data.
Reading it. Backwardation commonly appears when markets are stressed and near-term volatility is high. Analysts treat it as a sign of acute short-term fear and watch for the curve returning to contango as stress fades.
Limits. It shows the shape of the curve at a moment and not a forecast. Futures converge on the VIX at expiry, so the slope can change quickly and may reflect roll timing.
What is VIX Futures Backwardation?
A VIX futures curve in which the nearer contract is priced above the next one, so the curve slopes downward with maturity. It means traders expect volatility to fall from current elevated levels and is the opposite of contango.
How to use VIX Futures Backwardation
Backwardation commonly appears when markets are stressed and near-term volatility is high. Analysts treat it as a sign of acute short-term fear and watch for the curve returning to contango as stress fades. A reading alone is never a buy or sell signal; it needs context from price structure, volume, volatility and the broader market regime.
Strengths
- Taking the front contract minus the second one turns the curve shape into a single signed number in index points.
- A positive value occurs only when the near contract is richer than the next, so the sign alone identifies an inverted curve.
- Reproducible when the formula and data convention are fixed.
Weaknesses and limitations
- In points, the spread scales with the level of volatility, so the same shape at VIX 20 and at VIX 40 yields different numbers.
- Only two points on the curve are used, so a curve inverted in the first month but upward sloping beyond is summarized by one sign.
- Correlated indicators can create false confidence by repeating the same underlying information.
Editorial and risk note
This page is educational content, not individualized investment advice. It should not imply guaranteed prediction, accuracy or outperformance.
Frequently Asked Questions
Is VIX Futures Backwardation a buy or sell signal?
No. Backwardation commonly appears when markets are stressed and near-term volatility is high. It shows the shape of the curve at a moment and not a forecast. A trade built on it still needs a trigger, an invalidation rule, a position size and realistic execution assumptions.
What is the best setting for VIX Futures Backwardation?
VIX Futures Backwardation is computed from front-month VIX futures price; second-month VIX futures price, so the choices that matter are the data convention and the window it is read over. Test those across instruments, regimes and out-of-sample periods instead of fitting one historical winner.
Can VIX Futures Backwardation be used by itself?
It shows the shape of the curve at a moment and not a forecast. Futures converge on the VIX at expiry, so the slope can change quickly and may reflect roll timing. For that reason it is read next to measures of direction, participation, valuation, liquidity and risk, not alone.
Does VIX Futures Backwardation work on every timeframe?
The calculation (Backwardation = front-month VIX future - second-month VIX future (positive when in backwardation)) can be run on any bar size, but behavior is not portable: a reading on a five-minute chart describes a very different market window from the same reading on a daily chart. Validate the exact timeframe before relying on it.
Why does VIX Futures Backwardation give false signals?
In points, the spread scales with the level of volatility, so the same shape at VIX 20 and at VIX 40 yields different numbers. Only two points on the curve are used, so a curve inverted in the first month but upward sloping beyond is summarized by one sign. Lag, noise and regime changes add to this, because market participants react to new information after the reading is calculated.
How should VIX Futures Backwardation be backtested?
Rebuild VIX Futures Backwardation from front-month VIX futures price using point-in-time data, write the rules before testing, include delisted securities where relevant, model realistic fills and costs, reserve a validation sample and compare with a simpler baseline.